Synonyms: (+)-3,4-Dimethyl-2-phenylmorpholine;(+)-Phendimetrazine;3,4-Dimethyl-2-phenylmorpholine;3,4-Dimethyl-2-phenyltetrahydro-1,4-oxazine;Morpholine, 3,4-dimethyl-2-phenyl-;d-2-Phenyl-3,4-dimethylmorpholine;Morpholine, 3,4-dimethyl-2-phenyl-, (+)-;